Millimeters to Inches

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Converting millimeters (mm) to inches (in)

Converting millimeters (mm) to inches (in) is simple. There are about 25.4 millimeters in 1 inch so the formula is: mm / 25.4 = inches

For example, if you needed to convert from 516 millimeters to inches the formula would look like:

516 mm / 25.4 = 20.315 inches

Millimeters (mm) to Inches (in) conversion table